[INFO] fetching crate muxit 0.2.0...
[INFO] checking muxit-0.2.0 against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] extracting crate muxit 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate muxit 0.2.0
[INFO] finished tweaking crates.io crate muxit 0.2.0
[INFO] tweaked toml for crates.io crate muxit 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate muxit 0.2.0 on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate muxit 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tmux_interface v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3caa7fc23f822c96cb9f4d053f0957dc462f3016afe379569a838b61e05b88a
[INFO] running `Command { std: "docker" "start" "-a" "e3caa7fc23f822c96cb9f4d053f0957dc462f3016afe379569a838b61e05b88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3caa7fc23f822c96cb9f4d053f0957dc462f3016afe379569a838b61e05b88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3caa7fc23f822c96cb9f4d053f0957dc462f3016afe379569a838b61e05b88a", kill_on_drop: false }`
[INFO] [stdout] e3caa7fc23f822c96cb9f4d053f0957dc462f3016afe379569a838b61e05b88a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4bace854bfe185f93a9f8b3d5c4a9b50e12ff8e8dfbac4f94c2859c049b5479
[INFO] running `Command { std: "docker" "start" "-a" "f4bace854bfe185f93a9f8b3d5c4a9b50e12ff8e8dfbac4f94c2859c049b5479", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking tmux_interface v0.3.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking shellexpand v3.1.0
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking muxit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "f4bace854bfe185f93a9f8b3d5c4a9b50e12ff8e8dfbac4f94c2859c049b5479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4bace854bfe185f93a9f8b3d5c4a9b50e12ff8e8dfbac4f94c2859c049b5479", kill_on_drop: false }`
[INFO] [stdout] f4bace854bfe185f93a9f8b3d5c4a9b50e12ff8e8dfbac4f94c2859c049b5479